Parking Lot

Level: Intermediate 30–60 min

Concepts: DesignState

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Create a program to manage a parking lot system with different types of vehicles and parking spots.

Requirements

1. Implement parking lot management:
   • Different types of vehicles (Motorcycle, Car, Bus)
   • Different types of parking spots (Motorcycle, Compact, Large)
   • Parking rules based on vehicle and spot types
   • Track available spots and parked vehicles
2. Handle parking operations:
   • Park a vehicle (assign to appropriate spot)
   • Remove a vehicle (free up spot)
   • Check parking status
   • Find available spots
3. Return appropriate results:
   • Success/failure of parking operations
   • Current parking lot status
   • Error messages for invalid operations

Test Cases

Scenario	Input	Expected Result	Notes
Empty Lot	Check status	All spots available	Initial state
Park Motorcycle	Park motorcycle in motorcycle spot	Success	Fits in any spot
Park Car	Park car in compact spot	Success	Fits in compact or large
Park Bus	Park bus in large spot	Success	Needs 5 consecutive large spots
Invalid Park	Park car in motorcycle spot	Error	Spot too small
Remove Vehicle	Remove parked vehicle	Success	Frees up spot

Edge Cases to Consider

• Parking lot is full
• Vehicle already parked
• Removing non-existent vehicle
• Parking in occupied spot
• Multiple vehicles of same type

Tips

• Start with basic vehicle and spot types
• Add parking rules next
• Then implement spot management
• Finally add status tracking
• Consider using enums for vehicle and spot types